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674140 = 22537911
BaseRepresentation
bin10100100100101011100
31021020202011
42210211130
5133033030
622241004
75505265
oct2444534
91236664
10674140
11420545
12286164
131a7acc
1413796c
15d4b2a
hexa495c

674140 has 24 divisors (see below), whose sum is σ = 1455552. Its totient is φ = 262080.

The previous prime is 674131. The next prime is 674159. The reversal of 674140 is 41476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285 + ... + 1195.

It is an arithmetic number, because the mean of its divisors is an integer number (60648).

2674140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (727776).

674140 is an abundant number, since it is smaller than the sum of its proper divisors (781412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674140 is a wasteful number, since it uses less digits than its factorization.

674140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 674140 is about 821.0602901127. The cubic root of 674140 is about 87.6832621617.

The spelling of 674140 in words is "six hundred seventy-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 911 1822 3644 4555 9110 18220 33707 67414 134828 168535 337070 674140